Motorized bicycle



FIG. 1 is a perspective view;

FIG. 2 is a view from above;

FIG. 3 is a view from below;

FIG. 4 is a right side view;

FIG. 5 is a left side view;

FIG. 6 is a front view; and,

FIG. 7 is a rear view. 

The ornamental design for a motorized bicycle, as shown and described. 